Revert "content: Remove use of MessageLoopProxy and deprecated MessageLoop APIs"

content/browser/compositor/software_browser_compositor_output_surface.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/compositor/software_browser_compositor_output_surface.h"
 
-#include "base/location.h"
 #include "base/memory/ref_counted.h"
-#include "base/single_thread_task_runner.h"
-#include "base/thread_task_runner_handle.h"
+#include "base/message_loop/message_loop.h"
 #include "base/time/time.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/output_surface_client.h"
 #include "cc/output/software_output_device.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "ui/events/latency_info.h"
 #include "ui/gfx/vsync_provider.h"
 
 namespace content {
 
@@ skipping 12 matching lines @@
 void SoftwareBrowserCompositorOutputSurface::SwapBuffers(
     cc::CompositorFrame* frame) {
   base::TimeTicks swap_time = base::TimeTicks::Now();
   for (auto& latency : frame->metadata.latency_info) {
     latency.AddLatencyNumberWithTimestamp(
         ui::INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT, 0, 0, swap_time, 1);
     latency.AddLatencyNumberWithTimestamp(
         ui::INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT, 0, 0,
         swap_time, 1);
   }
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE, base::Bind(&RenderWidgetHostImpl::CompositorFrameDrawn,
-                            frame->metadata.latency_info));
+  base::MessageLoop::current()->PostTask(
+      FROM_HERE,
+      base::Bind(
+          &RenderWidgetHostImpl::CompositorFrameDrawn,
+          frame->metadata.latency_info));
 
   gfx::VSyncProvider* vsync_provider = software_device()->GetVSyncProvider();
   if (vsync_provider) {
     vsync_provider->GetVSyncParameters(base::Bind(
         &BrowserCompositorOutputSurface::OnUpdateVSyncParametersFromGpu,
         weak_factory_.GetWeakPtr()));
   }
   PostSwapBuffersComplete();
   client_->DidSwapBuffers();
 }
 
 #if defined(OS_MACOSX)
 void SoftwareBrowserCompositorOutputSurface::OnSurfaceDisplayed() {
   // See GpuBrowserCompositorOutputSurface for when and how this is used.
   NOTREACHED() << "Not expected for software surfaces.";
 }
 
 void SoftwareBrowserCompositorOutputSurface::SetSurfaceSuspendedForRecycle(
     bool suspended) {
 }
 
 bool SoftwareBrowserCompositorOutputSurface::
     SurfaceShouldNotShowFramesAfterSuspendForRecycle() const {
   return false;
 }
 #endif
 
 }  // namespace content